lcd.h

00001 /*
00002  * mbed LCDWindow library
00003 * Copyright (c) 2010 Hendrik Lipka
00004 * 
00005 * Permission is hereby granted, free of charge, to any person obtaining a copy
00006 * of this software and associated documentation files (the "Software"), to deal
00007 * in the Software without restriction, including without limitation the rights
00008 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00009 * copies of the Software, and to permit persons to whom the Software is
00010 * furnished to do so, subject to the following conditions:
00011 * 
00012 * The above copyright notice and this permission notice shall be included in
00013 * all copies or substantial portions of the Software.
00014 * 
00015 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00016 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00017 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00018 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00019 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00020 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00021 * THE SOFTWARE.
00022 */
00023 
00024 #ifndef LCD_H_
00025 #define LCD_H_
00026 
00027 #include "window.h"
00028 
00029 /**
00030  * base class for all (text based) LCD displays
00031 */
00032 class TextLCDBase: public Window
00033 {
00034     public:
00035         /**
00036          * this is the only function added to the Window interface
00037          * it must be called from the outside, and initializes the display.
00038         */
00039         virtual void init()=0;
00040         virtual int getRows (){return _rows;};
00041         virtual int getColumns (){return _columns;};
00042     protected:
00043         const unsigned int _columns;
00044         const unsigned int _rows;
00045         TextLCDBase(unsigned int columns, unsigned int rows):Window(),_columns(columns),_rows(rows)
00046         {
00047         };
00048         void test(){printf("x");};
00049 };
00050 
00051 #endif /*LCD_H_*/